This presentation discusses the history and future of milk packaging. It begins by describing how milk was traditionally collected and packaged in glass bottles for delivery. It then explains why packaging shifted to use HDPE bottles and cartons, which are lighter weight and address issues with glass. The presentation concludes by proposing that the future of milk packaging lies in using biodegradable thermoformed bottles made from PLA, which is derived from corn starch. PLA packaging would have environmental benefits like lower carbon emissions compared to traditional plastics.

1. Presentation By
Karthick.S
26th Batch
© 2010 by Karthick.S
02/16/13 INDIAN ISTITUTE OF PACKAGING 1

2. MILK

3. Milk in Day-to-Day Life
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4. JOURNEY OF MILK
PACKAGING
STARTS HERE…..!!!!
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5. NATURAL PACKAGING OF MILK
Udder
Teat
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6. COLLECTION OF MILK bY MILK MAN FOR
dIRECT USE wITHOUT ANY PROCESSING
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7. COLLECTION OF MILK wHICH
UNdERGOES PROCESSING
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8. METHOdS FOR HEAT TREATMENT OF
MILK
Milk Type Heat Treatment Shelf Life
Pasteurization 72-75°C, 15-40 sec 4-7 days
UHT 135-150°C, 4-20 sec 6 months at ambient temperature
Sterilized 110-120°C, 10-40 min 9 months at ambient temperature
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9. MILK PACKAGING
YesterdAY
Consumption of milk by people in early days
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10. MILK PACKAGING
YesterdAY
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11. MILK PACKAGING
YesterdAY
In early days, when we think of milk, we think of the days of milkmen delivering
fresh dairy goods in the glass bottles to the door early in the morning.
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12. MILK PACKAGING YesterdAY
Why milk packaged in Glass????
Transparent
Strength
Rigidity
Water and Gas Barrier
 Thermal Shock Resistance
Inertness to Chemical Substances
 Cheap Cost
 100% Recyclable
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13. MILK PACKAGING
YesterdAY
Shifting from Glass to HDPE Containers
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14. MILK PACKAGING YesterdAY
Reasons to Shift from Glass to HDPE Containers
 Heavy Weight
It occupies more space during transportation and storage
 Fragility
Due to fragile nature it needs more protection from external hazards
 Cost
Though material cost is less, it increase the cost of transport and storage
which leads to more fuel consumption
Contd..
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15. MILK PACKAGING YesterdAY
Material Consumption
For packaging of 500 ml milk we need 500 g of glass material
 Effect of Light
Light damages the nutritive components of milk
 Chemicals
Effect of chemicals for washing the bottle leads to environmental hazard.
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16. MILK PACKAGING YesterdAY
Reasons for Selecting HDPE Bottles
 Need only 40 g of HDPE to pack 500 ml milk
 Good ESCR
 Good Impact Strength
 Good moisture barrier
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17. MILK PacKagIng YesterdaY
Reasons to shift from HDPE bottles to Cartons/Pouch
 Bottle is a single use container
 Recycling of bottles become cost factor
 If we try to recycle then it has to be washed and sterilized and rebroken down
into size which can be fed into extruder.
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18. PeoPLe are not satIsfIed wIth thIs sYsteM of
PacKagIng…!!!
theY need soMe PacKage desIgn whIch Is More
convenIent to theM…
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19. MILK PacKagIng todaY
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20. MILK PacKagIng
Reasons for selecting Carton as Packaging
todaY
 Light Weight
 Made from Renewable Raw Material
 Increase Distribution Efficiency
 Hygienic
 One-way Containers
 Aseptic type doesn’t require refrigeration
 Easy to dispose off
 Recyclable
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21. MILK PacKagIng todaY
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22. MILK PacKagIng
todaY
Reasons for selecting Flexible Pouch (POLY)
Cheapest in the world
 Easy to handle
 Occupies less space
 Convenient
 Recyclable
 Use lowest amount of Packaging Material : 4.5 -5.5 g
 Bottles don’t need to be collected, washed, refilled and
redistributed
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23. froM here onwards….!!!
Let us focus on future PacKagIng of
MILK…!!!
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24. MILK PacKagIng toMorrow
future of MILK PacKagIng wILL be………..
therMoforM bottLe
froM
bIodegradabLe PLastIcs
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25. MILK PACKAGING ToMorrow
Thermoformed bottle is made from Poly Lactic Acid (PLA)
PLA is derived from natural corn starches
100% annually renewable
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26. AdvANTAGes of PLA
PLA degrades within weeks
High stability
Transparency
Softening point around 60 degree
Normal processing
Good thermoplastic material
Wide temperature range
Lower Crystallinity
Higher melt viscosity
UV resistance
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27. LIfe CyCLe of PLA
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28. PACKAGe desIGN
Thermoformed bottle
Tagger foil for tamper evident
Top lid with flip top closure
 Multiple Use
 Convenient
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29. Low fossIL fueL CoNsuMPTIoN
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30. Co2 eMIssIoN wITh bIoPLAsTIC
Polymer LDPE PP HDPE PLA
CO2 3.0 3.4 2.5 2.16
emissions
(Kg CO2/
Kg
polymer)
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31. by 2020
Over 500 bioplastics processing
companies are already
available, more than 5000 is expected by
2020
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32. Thank You…
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